The Immune System●Innate- you know that they are not of your cells. One shot, very limited (first line ofdefence)●Adaptive Immunity- makes a copy and hids so that next time when you get infected youwill not get sick with that again. Like chicken poxs.Barries●Skin○Lysozyme breaks bacteria cell walls○Oil and sweat glands gives the skin a pH of 3-5○Flora keeps the bad bacteria/viruses off because they crowd them outOther Routes of Infections●Digestive, respiratory, urogenital tracts●Lined with epithelial cells●Digestive○Salivary lysozyme, acid, and flora●Respiratory
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Epithelial cells,Major histocompatibility complex,Cytotoxic T cells,bacteria cell walls,toxic cells